diff --git a/Libraries/LibWeb/CSS/StyleProperties.cpp b/Libraries/LibWeb/CSS/StyleProperties.cpp
index d241ac2dae..aa95ecf703 100644
--- a/Libraries/LibWeb/CSS/StyleProperties.cpp
+++ b/Libraries/LibWeb/CSS/StyleProperties.cpp
@@ -299,6 +299,10 @@ CSS::Display StyleProperties::display() const
         return CSS::Display::TableCell;
     if (display == "table-row-group")
         return CSS::Display::TableRowGroup;
+    if (display == "table-header-group")
+        return CSS::Display::TableHeaderGroup;
+    if (display == "table-footer-group")
+        return CSS::Display::TableFooterGroup;
     dbg() << "Unknown display type: _" << display << "_";
     return CSS::Display::Block;
 }
diff --git a/Libraries/LibWeb/CSS/StyleValue.h b/Libraries/LibWeb/CSS/StyleValue.h
index 257cb29c64..584962eca9 100644
--- a/Libraries/LibWeb/CSS/StyleValue.h
+++ b/Libraries/LibWeb/CSS/StyleValue.h
@@ -132,7 +132,9 @@ enum class Display {
     Table,
     TableRow,
     TableCell,
+    TableHeaderGroup,
     TableRowGroup,
+    TableFooterGroup,
 };
 
 enum class WhiteSpace {
diff --git a/Libraries/LibWeb/DOM/Element.cpp b/Libraries/LibWeb/DOM/Element.cpp
index f6439ee87a..dfbd322a97 100644
--- a/Libraries/LibWeb/DOM/Element.cpp
+++ b/Libraries/LibWeb/DOM/Element.cpp
@@ -131,7 +131,7 @@ RefPtr<LayoutNode> Element::create_layout_node(const StyleProperties* parent_sty
         return adopt(*new LayoutTableRow(document(), *this, move(style)));
     if (display == CSS::Display::TableCell)
         return adopt(*new LayoutTableCell(document(), *this, move(style)));
-    if (display == CSS::Display::TableRowGroup)
+    if (display == CSS::Display::TableRowGroup || display == CSS::Display::TableHeaderGroup || display == CSS::Display::TableFooterGroup)
         return adopt(*new LayoutTableRowGroup(document(), *this, move(style)));
     if (display == CSS::Display::InlineBlock) {
         auto inline_block = adopt(*new LayoutBlock(document(), this, move(style)));